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https://issues.apache.org/jira/browse/TAJO-1120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jihoon Son updated TAJO-1120:
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Fix Version/s: (was: 0.11.0)
0.12.0
> Enable collecting column stats when storing a table if necessary
> ----------------------------------------------------------------
>
> Key: TAJO-1120
> URL: https://issues.apache.org/jira/browse/TAJO-1120
> Project: Tajo
> Issue Type: Improvement
> Components: Catalog
> Reporter: Jihoon Son
> Assignee: Jihoon Son
> Fix For: 0.12.0
>
>
> Currently, the number of null values and the max/min values of a column are
> collected only in the shuffle stage.
> In addition, the number of distinct values of a column seems not to be
> collected in anywhere.
> However, some recent issues such as TAJO-838 and TAJO-1091 require these
> statistics, and thus we need to collect them for tables that are newly stored
> via CTAS or INSERT INTO statements.
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